package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApArticleBehaviorService;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.common.constants.user.UserRelationConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ArticleBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.RedisOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
public class ApArticleBehaviorServiceImpl implements ApArticleBehaviorService {

    //注入mongodb 模板对象
    @Autowired
    MongoTemplate mongoTemplate;

    //注入行为实体查询
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    StringRedisTemplate redisTemplate;

    @Override
    public ResponseResult loadArticleBehavior(ArticleBehaviorDTO dto) {
        //1. 判断用户是否登录
        Integer uid = AppThreadLocalUtils.getUser().getId();
        Map<String, Boolean> map = new HashMap<>();
        if (uid == null) {
            //2. 未登录 直接将 4种行为 均返回false
            map.put("isfollow",false);
            map.put("islike",false);
            map.put("isunlike",false);
            map.put("iscollection",false);
            return ResponseResult.okResult(map);
        }
        //3. 如果登录
        //4. 查询行为实体
        ApBehaviorEntry entry = apBehaviorEntryService.findByUserIdOrEquipmentId(uid, dto.getEquipmentId());

        if (entry==null){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID);
        }

        //5. 根据行为实体 文章ID查询 是否点赞
        Query query1 = Query.query(Criteria.where("articleId").is(dto.getArticleId()));
        ApLikesBehavior one = mongoTemplate.findOne(query1, ApLikesBehavior.class);
        if (one!=null){
            map.put("islike",true);
        }
        //6. 根据行为实体 文章ID查询 是否不喜欢

        ApUnlikesBehavior one1 = mongoTemplate.findOne(query1, ApUnlikesBehavior.class);
        if (one1!=null){
            map.put("isunlike",true);
        }
        //7. 根据行为实体 文章ID查询 是否收藏

        ApCollection one2 = mongoTemplate.findOne(query1, ApCollection.class);
        if (one2!=null){
            map.put("iscollection",true);
        }

        //拿到作者的id 再拿到用户的id
        Integer followId = dto.getAuthorApUserId();

        //8. 根据登录用户id 去redis中查询是否关注该作者
        //    校验之前有没有关注过   zscore
        Double score = redisTemplate.opsForZSet()
                .score(UserRelationConstants.FOLLOW_LIST + uid, String.valueOf(followId));

        if(score!=null){
            map.put("isfollow",true);
        }
        //9. 封装结果 返回
        return ResponseResult.okResult(map);
    }
}
